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  • "bad mirror archive" : What should I put as the "mirror of ubuntu archive" on installation of ubuntu?

    - by rockit
    I'm trying to set up ubuntu from my old macintosh laptop, but when it asks me to put in the "mirror of ubuntu archive" I run into problems. For the mirror, I put in mirror.anl.gov for the ubuntu archive mirror directory, i put in pub/ubuntu/ Then I leave the http proxy blank and hit "continue" It then tries to "download release files", which starts at 0%, and eventually jumps straight to 100% and then it presents me with an error of "bad mirror archive". Any advice? I never set up ubuntu before, and I'm really struggling with this step.

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  • Licensing approach for .NET library that might be used desktop / web-service / cloud environment

    - by Bobrovsky
    I am looking for advice how to architect licensing for a .NET library. I am not asking for tool/service recommendations or something like that. My library can be used in a regular desktop application, in an ASP.NET solution. And now Azure services come into play. Currently, for desktop applications the library checks if the application and company names from the version history are the same as the names the key was generated for. In other cases the library compares hardware IDs. Now there are problems: an Azure-enabled web-application can be run on different hardware each time (AFAIK) sometimes the hardware ID for the same hardware changes unexpectedly checking the hardware ID or version info might not be allowed in some circumstances (shared hosting for example) So, I am thinking about what approach I can take to architect a licensing scheme that: is friendly to customers (I do not try to fight piracy, but I do want to warn the customer if he uses the library on more servers than he paid for) can be used when there is no internet connection can be used on shared hosting What would you recommend?

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  • why not use unmanaged safe code in c#

    - by user613326
    There is an option in c# to execute code unchecked. It's generally not advised to do so, as managed code is much safer and it overcomes a lot of problems. However I am wondering, if you're sure your code won't cause errors, and you know how to handle memory then why (if you like fast code) follow the general advice? I am wondering this since I wrote a program for a video camera, which required some extremely fast bitmap manipulation. I made some fast graphical algorithms myself, and they work excellent on the bitmaps using unmanaged code. Now I wonder in general, if you're sure you don't have memory leaks, or risks of crashes, why not use unmanaged code more often ? PS my background: I kinda rolled into this programming world and I work alone (I do so for a few years) and so I hope this software design question isn't that strange. I don't really have other people out there like a teacher to ask such things.

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  • The Arab HEUG is now a reality, and other random thoughts

    - by user9147039
    I just returned from Doha, Qatar where the first of its kind HEUG (Higher Education User Group) meeting for institutions in the Middle East and North Africa was held at Qatar University and jointly hosted by Damman University from Saudi Arabia. Over 80 delegates attended including representation from education institutions in Oman, Saudi Arabia, Lebanon, and Qatar. There are many other regional HEUG organizations in place (in Australia/New Zealand, APAC, EMEA, as well as smaller regional HEUG’s in the Netherlands, South Africa, and in regions of the US), but it was truly an accomplishment to see this Middle East/North Africa group organize and launch their chapter with a meeting of this quality. To be known as the Arab HEUG going forward, I am excited about the prospects for sharing between the institutions and for the growth of Oracle solutions in the region. In particular the hosts for the event (Qatar University) did a masterful job with logistics and organization, and the quality of the event was a testament to their capabilities. Among the more interesting and enlightening presentations I attended were one from Dammam University on the lessons learned from their implementation of Campus Solutions and transition off of Banner, as well as the use by Qatar University E-business Suite for grants management (both pre-and post-award). The most notable fact coming from this latter presentation was the fit (89%) of e-Business Suite Grants to the university’s requirements. In a few weeks time we will be convening the 5th meeting of the Oracle Education & Research Industry Strategy Council in Redwood Shores (5th since my advent into my current role). The main topics of discussion will be around our Higher Education Applications Strategy for the future (including cloud approaches to ERP (HCM, Finance, and Student Information Systems), how some cases studies on the benefits of leveraging delivered functionality and extensibility in the software (versus customization). On the second day of the event we will turn our attention to Oracle in Research and also budgeting and planning in higher education. Both of these sessions will include significant participation from council members in the form of panel discussions. Our EVP’s for Systems (John Fowler) and for Global Cloud Services and North America application sales (Joanne Olson) will join us for the discussion. I recently read a couple of articles that were surprising to me. The first was from Inside Higher Ed on October 15 entitled, “As colleges prepare for major software upgrades, Kuali tries to woo them from corporate vendors.” It continues to disappointment that after all this time we are still debating whether it is better to build enterprise software through open or community source initiatives when fully functional, flexible, supported, and widely adopted options exist in the marketplace. Over a decade or more ago when these solutions were relatively immature and there was a great deal of turnover in the market I could appreciate the initiatives like Kuali. But let’s not kid ourselves – the real objective of this movement is to counter a perceived predatory commercial software industry. Again, when commercial solutions are deployed as written without significant customization, and standard business processes are adopted, the cost of these solutions (relative to the value delivered) is quite low, and certain much lower than the massive investment (and risk) in in-house developers to support a bespoke community source system. In this era of cost pressures in education and the need to refocus resources on teaching, learning, and research, I believe it’s bordering on irresponsible to continue to pursue open-source ERP. Many of the adopter’s total costs are staggering and have little to show for their efforts and expended resources. The second article was recently in the Chronicle of Higher Education and was entitled “’Big Data’ Is Bunk, Obama Campaign’s Tech Guru Tells University Leaders.” This one was so outrageous I almost don’t want to legitimize it by referencing it here. In the article the writer relays statements made by Harper Reed, President Obama’s former CTO for his 2012 re-election campaign, that big data solutions in education have no relevance and are akin to snake oil. He goes on to state that while he’s a fan of data-driven decision making in education, most of the necessary analysis can be accomplished in Excel spreadsheets. Yeah… right. This is exactly what ails education (higher education in particular). Dozens of shadow and siloed systems running on spreadsheets with limited-to-no enterprise wide initiatives to harness the data-rich environment that is a higher ed institution and transform the data into useable information. I’ll grant Mr. Reed that “Big Data” is overused and hackneyed, but imperatives like improving student success in higher education are classic big data problems that data-mining and predictive analytics can address. Further, higher ed need to be producing a massive amount more data scientists and analysts than are currently in the pipeline, to further this discipline and application of these tools to many many other problems across multiple industries.

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  • Is there a good book to grok C++?

    - by Paperflyer
    This question got me thinking. I would say I am a pretty experienced C++ programmer. I use it a lot at work, I had some courses on it at the university, I can understand most C++ code I find out there without problems. Other languages you can pretty much learn by using them. But every time I use a new C++ library or check out some new C++ code by someone I did not know before, I discover a new set of idioms C++ has to offer. Basically, this has lead me to believe that there is a lot of stuff in C++ that might be worth knowing but that is not easily discoverable. So, is there a good book for a somewhat experienced C++ programmer to step up the game? You know, to kind of 'get' that language the way you can 'get' Ruby or Objective-C, where everything just suddenly makes sense and you start instinctively knowing 'that C++ way of thing'?

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  • Some mail details about Orange Mauritius

    Being an internet service provider is not easy after all for a lot of companies. Luckily, there are quite some good international operators in this world. For example Orange Mauritius aka Mauritius Telecom aka Wanadoo(?) aka MyT here in Mauritius. The local circumstances give them a quasi-monopol position on fixed lines for telephony and therefore cable-based DSL internet connectivity. So far, not bad but as usual... the details. Just for the records, I am only using the services of Orange for mobile but friends and customers are bound, eh stuck, with other services of Orange Mauritius. And usually, being the IT guy, they get in touch with me to complain about problems or to ask questions on either their ADSL / MyT connection, mail services or whatever. Most of those issues are user-related and easily to solve by tweaking the configuration of their computer a little bit but sometimes it's getting weird. Using Orange ADSL... somewhere else Now, let's imagine we are an Orange ADSL customer for ages and we are using their mail services with our very own mail address like "[email protected]". We configured our mail client like Thunderbird, Outlook Express, Outlook or Windows Mail as publicly described, and we are able to receive and send emails like a champion. No problems at all, the world is green. Did I mention that we have a laptop? Ok, let's take our movable piece of information technology and visit a friend here on the island. Not surprising, he is also customer of Orange, so we can read and answer emails. But Orange is not the online internet service provider and one day, we happen to hang out with someone that uses Emtel via WiMAX or UMTS.. And the fun starts... We can still receive and read emails from our Orange mail account and the IT world is still bright but try to send mails to someone outside the domain "@intnet.mu" or "@orange.mu". Your mail client will deny sending mail with SMTP message 5.1.0 "blah not allowed". First guess, there is problem with the mail client, maybe magically the configuration changed over-night. But no it is still working at home... So, there is for sure a problem with the guy's internet connection. At least, it is his fault not to have Orange internet services, so it can not work properly... The Orange Mail FAQ After some more frustation we finally checkout the Orange Mail FAQ to see whether this (obviously?) common problem has been described already. Sorry, but those FAQ entries are even more confusing as it is not really clear how to handle this scenario. Best of all is that most of the entries are still refering to use servers of the domain "intnet.mu". I mean Orange will disable those systems in favour of the domain "orange.mu" in the near future and does not amend their FAQs. Come on, guys! Ok, settings for POP3 are there. Hm, what about the secure version POP3S? No signs at all... Even changing your mail client to use password encryption with STARTTLS is not allowed at all. Use "bow.intnet.mu" for incoming mail... Ahhh, pretty obvious host name. I mean, at least something like pop.intnet.mu or pop3.intnet.mu would have been more accurate. Funny of all, the hostname "pop.orange.mu" is accessible to receive your mail account. Alright, checking SMTP options for authentication or other like POP-before-SMTP or whatever well-known and established mechanism to send emails are described. I guess that spotting a whale or shark in Mauritian waters would be easier. Trial and error on SMTP settings reveal that neither STARTTLS or any other connection / password encryption is available. Using SSL/TLS on SMTP only reveals that there is no service answering your request. Calling customer service So, we have to bite into the bitter apple and get in touch with Orange customer service and complain/explain them our case and ask for advice. After some hiccups, we finally manage to get hold of someone competent in mail services and we receive the golden spoon of mail configuration made by Orange Mauritius: SMTP hostname: smtpauth.intnet.mu And the world of IT is surprisingly green again. Customer satisfaction? Dear Orange Mauritius, what's the problem with this information? Are you scared of mail spammer? Why isn't there any case in your FAQs? Ok, talking about your FAQs - simply said: they are badly outdated! Configure your mail client to use server name based in the domain intnet.mu but specify your account username with orange.mu as domain part. Although, that there are servers available on the domain orange.mu after all. So, why don't you provide current information like this: POP3 server name: pop.orange.muSMTP server name: smtp.orange.muSMTP authenticated: smtpauth.orange.mu It's not difficult, is it? In my humble opinion not really and you would provide clean, consistent and up-to-date information for your customers. This would produce less frustation and so less traffic on your customer service lines. Which after all, would improve the total user experience and satisfaction level on both sides. Without knowing these facts. Now, imagine you would take your laptop abroad and have to use other internet service providers to be able to be online... Calling your customer service would be unnecessary expensive!

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  • Firefox, Chrome, and Flash on Ubuntu

    - by Zimmer
    Ok I have recently run into some problems and was hoping you guys could help; 1) On Chrome sometimes when I play a video (even on Youtube) the audio won't work (yet other apps audio will work) but after pressing the play button (pausing and unpausing the video) it finally works but if I pause the video and click play it goes back to not working until I re-do that process. 2) When I go to play videos in firefox or go to grooveshark it says I don't have flash; but I do and when I go to install flash it says I have the LAST version for linux but flash works on Chrome fine (well except the audio problem above which annoys me to no end!)

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  • Hardware Compatibility

    - by thebradnet
    I am looking into buying a LENOVO RD330 SERVER with a ThinkServer RAID 500 Adapter II RAID controller. I am having problems finding out if all of the hardware that I am wanting will be compatible with Ubuntu. I have check the "Certified Hardware" list but the list is very limited. Both the computer and the RAID controller say they support RedHat and Suse but obviously Ubuntu isn't mentioned. I have talked with my vendor and they also not certain if this hardware will work. I have also Google around and the RAID controller appears to be an LSI chipset. But again I haven't been able to find any definitive information saying that this will work. Any suggestions on how I can find out if the hardware will work?

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  • Lenovo B570 doesn't boot after installation

    - by Alan
    I install my Ubuntu 11.10 64 Bits in my Notebook Lenovo B570. (I remove Win 7). I have no problems to install. But at finish, when it start, it wont boot. It search for another boot device (Network, CD/DVD). Maybe it issue is about SCSI Hard Drive. I try in BIOS set compatible mode SCSI/ATA. It try locate another boot (Networks, CD/DVD). I try to enable compatible mode in BIOS SCSI - SATA and reinstall again. "Will ubuntu be the only os on your computer or is there a 2nd os?" A:Yes. I remove Windows 7 and use All disc to Ubuntu.

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  • C# creating a simple snake game

    - by Guy David
    I was thinking about creating a snake game with C#, so I ran ideas in my head, and some problems came up. How can I track and output in the correct location the blocks that run after the snake's head? If the snake is built of five blocks, and the user starts going in a circle, how can I print the snake body in the right location? Also, how can I create an action that will run on the background, which will move the snake forward, no matter what the user does? What structure should my code have? (code design structure) This should be a console application, since it's the only framework I am familiar with. I am not looking for finished code, since I want to really understand how it should work.

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  • Will this bios update fix DSDT problem?

    - by rsjethani
    Usually is is said that if you are not having any problems do not update your bios. When I'm running windows everything is fine. But for Linux I think the DSDT is broken. According to this this updating your bios should be preferred before messing with DSDT. This is the link for a bios update for my laptop but details section says that it fixes some 'start-up' problem. So, should I use this update or not? thanks.

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  • Unable to change the launcher icon size

    - by takeshin
    After upgrading to 11.10 I can't change the launcher icon size to smaller. I've tried to change it using ccsm, like described in How can I configure Unity, but the changes take no effects (restarted, tried sudo - still big icons). In the previous version of Ubuntu this solution worked. How can I change the icon size? (BTW, how can I know which Unity (2D vd 3D) I'm running and switch between?). Edit: Looks like I'm using Unity 2D and have some problems with graphics: me@my-laptop ~ $ /usr/lib/nux/unity_support_test -p Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Xlib: extension "GLX" missing on display ":0.0". Error: unable to create the OpenGL context Edit 2 me@my-laptop ~ $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) 01:00.0 VGA compatible controller: nVidia Corporation GT218 [GeForce 310M] (rev a2)

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  • Broken Links in different browsers

    - by kdorival
    Hi I'm having problems with our website, http://www.accessiblehomehealthcare.com, which is a wordpress 2.7 (version). All of a sudden our RSS links broke on the right side, which has happened before and I fixed it within 5 mins. Now, when I fix it, it doesn't look right in different version of I.E. or Firefox, I have I.E. 8 and Firefox 3.6.15 and it looks good for the most part, but there are a few parts where the links are broken. One browser the links would look ok but go to another page and the links or logos would be broken. Certain parts of the website should be static(identical) to the other pages of the site, but if a link is broken on one page, its perfect on another page. I was wondering was there a secret code for wordpress to keep the sites compatible with all browser versions or is there a bigger issue???? Any help or suggestions will help???

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  • Cannot connect to Internet after using Windows XP on dual booted machine

    - by babelproofreader
    I have a dual booted Windows XP and Ubuntu 10.10 box (AMD64) and have an unusual problem in that after connecting to the internet on Windows I cannot connect using Ubuntu. I don't believe it is actually a problem with configuring my Ubuntu connections because when I get up in the morning Ubuntu connects without any problem - this problem only exists (and persists for at least several hours) if I try to connect using Ubuntu immediately after connecting using Windows. I don't know how long the problem actually lasts because I usually just go to bed and then in the morning I can connect without problems. It is not problem with my provider's service as I have a second Ubuntu 10.10 box which I manually connect and works even when the dual booted one (on Ubuntu) won't. It is a particular problem with the dual booted box. A power down reset does not solve the problem.

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  • cannot run c compiled programs. if you meant to cross compile use --host' Ubuntu

    - by Ali.A
    I'm completely new to Ubuntu I downloaded and unpacked a tar.gz package, after extraction, it is said in its documentation : "type ./configure --disable-gts" But when i run this command alone it tells me "Permission Denied" error. Then i tried to use "sh ./configure --disable-gts" insted, but this time i faced this error: configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. How can i overcome these two problems? (I mean permission and compile error) I'm just a rookie and i need urgent help. Thanx

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  • subprocess installed post-installation script returned error exit code 1

    - by Laura quintero
    I had installed snort on ubuntu 11.04 and uninstall it because I had problems, to reinstall it leaves a problem: Reading package lists ... done Building dependency tree Reading state information ... done Calculating upgrade ... ready 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. 0 B will be used for additional disk space after this operation. Do you want to continue [S / n]? s Configuring snort (2.8.5.2-9.1) ... * Stopping Network Intrusion Detection System snort * - No running snort instance found * Starting Network Intrusion Detection System snort [fail] invoke-rc.d: initscript snort, action "start" failed. dpkg: error processing snort (- configure): subprocess installed post-installation script returned error exit code 1 Errors were encountered while processing: snort E: Sub-process / usr / bin / dpkg Returned an error code (1) any solution? Commands allready used apt-get clean apt-get remove snort sudo apt-get dist-upgrade dpkg - remove - force-remove-reinstreq snort and nothing.

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  • synchronization web service methodologies or papers

    - by Grady Player
    I am building a web service (PHP+JSON) to sync with my iphone app. The main goals are: Backup Provide a web view for printing / sorting, manipulating. allow a group sync up and down. I am aware of the logic problems with all of these items, Ie. if one person deletes something, do you persist this change to other users, collisions, etc. I am looking for just any book or scholarly work, or even words of wisdom to address common issues. when to detect changes of data with hashes, vs modified dates, or combination. how do address consolidation of sequential ID's originating on different client nodes (can be sidestepped in my context, but it would be interesting.) dealing with collisions (is there a universally safe way to do so?). general best practices. how to structure the actual data transaction (ask for whole list then detect changes...)

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  • Move website from host a to host b without down time dns change

    - by grigione
    I would like to move my website from host A to host B I have uploaded a copy of my site to the new host, while keeping the old copy in place with the old host I will need to update the nameservers to point to the new nameservers. I'll want to change the DNS settings of domain name to point to new host b To avoid down time for the DNS change to propagate through the net, can I add the old nameservers and new nameservers together without causing problems, or must I delete the old nameservers first? What happens to my website when it points to two different nameservers?

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  • Software Tester to Developer [closed]

    - by Mayu Mayooresan
    Possible Duplicate: How do I become a developer? Its not a question related to programming but related to career. Last 2 and half year I've been working as a Software Tester and i'm seriously considering a track change to programmer. but the problems I think of is.. 1. My age (28) 2. My IT experience with Testing 3. Salary wont match if I change the track as I have to start from scrach. Wot do you think guys?? Please advice me. Is it better to change track or stay in Tester job?? I think I dont seem to like tester job. Please advice. Thanks in advance.

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  • ban an IP temporarily after x-many incorrect password attempts

    - by sova
    My new web server got hacked (sigh). I have physical access to my machine (in the near future). It seems like the only changes was a new user account and a borked sudoers file. It seems as though the password was discovered by dictionary searching (I didn't pick it). After I fix these problems (or do a full reinstall?) I want to add a mechanism to ban an IP (for maybe 24 hours or some time limit) after getting the password wrong x number of times, but I'm not a unix sysadmin or anything, so I'm not really sure where to get started. The machine is running Lucid Lynx, from an Ubuntu minimal installation. Thanks,I appreciate your help guys. Hopefully this is the right place for this question.

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  • node-xmpp-bosh error on Ubuntu 11.10

    - by megueloby
    I am newbie in Linux word. I want to implement a bosh server. Because it is hard on Windows platform I decided to deploy it on a Ubuntu virtual machine via vmware. I made installation without problems. I followed the processes on this page. Now I want to test my bosh server with the command sudo bosh or sudo /etc/init.d/bosh start, after typing those I get on the terminal Starting bosh server after, nothing. I looked on the bosh.err file and I see exec: 2: /usr/local/lib/bosh/run-server.js: Permission denied I don? t know why this error with sudo. When I try ls -l /usr/local/lib/bosh/run-server.js it show -rw-r--r-- 1 root root 4889 2012-04-01 18:50 /usr/local/lib/bosh/run-server.js How can I make bosh start?

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  • grub recover command line

    - by Rakesh Mohan Hallen
    Recently the service provider link suddenly broke,while I was updating. Then suddenly while I was trying to boot, i could not. The message on my screen was grub recover missing, and I had no option but the grub recover command line. I really did not know what to do. So I installed an earlier version of ubuntu 10.04. It started to boot normally. Now my system is back to 12.04 the version i was working with. How does one handle problems like this?

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  • Windows dont boot after Ubuntu installation

    - by Diogo Garcia
    I have had serious problems installing ubuntu and Windows and have dual boot. Recently i installed booth operating systems, ubuntu was the lastima one, and after that my computador was booting directly to Windows 7. I used my ubuntu USB live to repair the grub, and o could repair. Now i initiate my pc with grub 1.99 and ubuntu and Windows are recognized, but Windows gives an error and dont initiate, sugesting to use Windows DVD to repair the grub. I tried that but with no effects on be behavior. I have a new asus n56vm. This conflits with gpt and mbr have been a huge pain to me. I dont know what to to, i installed ubuntu and Windows inumerous times since i bought this cumputer 2 weeks ago. Best regards!

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  • Problem with audio sharing between different programs

    - by Lars Borg
    I've been using Linux for quite some time, but until now I've never run into any problems. I also saw the thread "Sound, stopping between multiple programs", but it is referring to a very old version... My problem is that when I run Diablo 3 (using PlayOnLinux) and Skype 4 at the same time, I only get audio from the program that I start first. If I start skype first and then Diablo 3, I have perfekt audio in Skype and sometimes I might hear a faint whisper of the Diablo sounds... This problem started after I changed motherboard to Asus p8z77-v pro with 16GB memory and Intel i7 3770K CPU. With the old motherboard, all this worked just fine. The OS is Ubuntu 12.04. I have only installed Wine, PlayOnLinux, Skype 4, and Diablo 3. All of the latest version, as far as I know. What should I do? What do you need to know, in order to be able to help? Thanks /Lasse

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  • AJI Report #20 | Devin Rader On Usability and REST

    - by Jeff Julian
    Devin is one of our great friends from days of ole'. Devin was a great community leader in St. Louis .NET space. The then moved to New Jersey to work at Infragistics where he was a huge asset for the .NET and Usability communities. He is now at Twilio as an evangelist and you will see him pretty much at every cool conference promoting Twilio and educating the masses. In this show, we talk about what Usability is and how developers can understanding what the how to solve problems with usability and some of the patterns we can use. Devin really wants to bring the focus back to the beginning of knowing who your users are and we talk about how to produce personas of the users of our products. We dive into REST for the second piece of this podcast. Devin helps us understand more about REST and what goes into a RESTful application or service. Listen to the Show Twilio Site: http://www.twilio.com Twitter: @DevinRader LinkedIn: Profile Link

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